THE AMERICAN BOTANIST 137 



Bctula lenta. Oil of Birch. From the bark. This 

 species with some Betula lutea the source of the American 

 supply. 



Melaleuca laucadendron. Cajput Oil. From the leaves. 

 East Indies, Celebes. 



Pimenta aeris. Oil of Bay. Distilled from the dry 

 leaves. West Indies. 



Caruin copticum. Ajowan Oil. From the fruits. 

 India, Egypt. This is a source of thymol. 



Cam in carvi. Caraway Oil. From the seeds. Central 

 Europe, India. 



Cananga odorata. Ylang-Ylang Oil, Cananga Oil. 

 The first distilled from the fresh flowers, the second from the 

 dried flowers of the same tree. East Indies, Madagascar. 



Cinnamomum camplwra. Camphor Oil, Laurel 

 Camphor Oil. From the wood and sometimes the leaves. 

 Celon, China, Japan. 



Drvobalanops aromatica. Borneo Camphor Oil, Sum- 

 atra Camphor Oil, From the wood. Malay States. 



Cinnamomum Zcylanicum. Cinnamon Oil. From both 

 bark and leaves. Ceylon. 



Androfogon schocnanthus. Ginger Grass Oil. From 

 the leaves. India. 



Andropogon nardus. Otronella Oil. From the 

 leaves. East Indies. 



Eucalyptus spp. Eucalyptus Oil. From the fresh 

 leaves of several different species, notably the blue gum (E. 

 globulus) peppermint tree (E. amygdalina) and lemon- 

 scented gum (E. citriodora). Australia. 



Pclargonum spp. Oil of Geranium. From the leaves 

 of various species. France, Spain, Algeria. 



Lavendida vera. Oil of Lavender. From the leaves. 

 England, Southern France. 



